Facility vegetable plant hanging device and method
The adaptive adjustment structure of the suspension device solves the problems of unstable support during the seedling stage and stem compression damage during the growth period caused by the fixed inner diameter. It realizes adaptive clamping and support for plants at different growth stages, improving the stability and efficiency of greenhouse vegetable cultivation.
Patent Information
- Authority / Receiving Office
- CN · China
- Patent Type
- Applications(China)
- Current Assignee / Owner
- Filing Date
- 2025-12-21
- Publication Date
- 2026-03-20
- Estimated Expiration
- Not applicable · inactive patent
AI Technical Summary
The fixed inner diameter of the existing hanging device leads to unstable support during the seedling stage and stem compression damage during the growth period. It cannot adapt to changes in the plant's growth stage, thus affecting the effectiveness of greenhouse vegetable cultivation.
Design an adaptive adjustment structure for a hanging device, including a first clamping arm and a support rod. Through the combination of arc-shaped clamping blocks and tension springs, adaptive clamping and support of plant stems at different growth stages can be achieved. The support rod is used for support to avoid plant tilting caused by soft ropes.
It improves the stability of plants during the seedling and growth stages, reduces labor costs, ensures upright plant growth, avoids stem damage, and improves work efficiency and planting results.
Smart Images

Figure CN121694150A_ABST
Abstract
Description
Technical Field
[0001] This invention relates to the field of agricultural equipment technology, specifically to a device and method for suspending and placing greenhouse vegetable plants. Background Technology
[0002] With the rapid increase in demand for vegetables and fruits in my country, the planting area of greenhouse vegetables and fruits has developed rapidly. Greenhouse vegetables and fruits grow quickly, are vigorous, and have high yields. These mainly include solanaceous vegetables such as tomatoes, bell peppers, and eggplants, and cucurbitaceous vegetables such as cucumbers, zucchini, pumpkins, melons, and watermelons. The production of these vegetables and fruits all require trellising the plants. In greenhouses, to make full use of the space, trellised cultivation is widely used for solanaceous vegetables, cucurbitaceous vegetables, beans, and other vegetables. This involves using trellising devices to "support" the vegetable plants, keeping them upright and thus improving planting efficiency.
[0003] Currently, there is a portable greenhouse vegetable plant hanging device on the market, model LY008, which supports both rope hanging and support rod hanging methods. This device uses a double semi-circular fixing ring structure with a fixed inner diameter. The two rings are closed by a buckle. In use, the plant stem is placed between the two rings and fastened to secure it. However, this hanging device has significant limitations: First, the fixed inner diameter design makes it difficult to provide effective support when the plant is in the seedling stage, with thin or soft stems, leading to plant lodging or falling off. Second, as the plant grows, some stems thicken beyond the inner diameter of the hanging device, and because the fixed inner diameter cannot adaptively adjust, it may restrict normal stem development, ultimately resulting in poor greenhouse vegetable cultivation.
[0004] To address these issues, this invention proposes a hanging device and method whose inner diameter can adapt to changes in the plant stem diameter during hanging, thus solving the aforementioned problems. Summary of the Invention
[0005] To address the aforementioned problems, this invention provides a device and method for suspending vegetable plants in greenhouses. This method solves the problems of unstable support during the seedling stage and stem compression damage during the growth period caused by the fixed inner diameter of existing suspension devices. It achieves support for the stems of vegetables at different growth stages and of different varieties through an adaptive adjustment structure.
[0006] To achieve the above objectives, the technical solution of the present invention is as follows: A device for suspending and placing greenhouse vegetable plants includes a first clamping arm and a support rod, the first clamping arm and the support rod being detachably connected; a semi-circular first clamping ring is formed at one end of the first clamping arm near the support rod, a second clamping arm is hinged to the other end of the first clamping arm away from the support rod, a semi-circular second clamping ring is formed at the other end of the second clamping arm near the support rod, a spring sheet is fixedly connected to the inner wall of the end of the first clamping arm away from the first clamping ring, and the other end of the spring sheet is fixedly connected to the inner wall of the end of the second clamping arm away from the second clamping ring; and the first clamping ring and the second clamping ring form a ring-shaped structure, and the first clamping arm and the second clamping arm form a scissor-shaped structure; Both the first and second clamping rings have cavities on their inner sidewalls. Each cavity has a base that slides within it, and a support rod is fixedly connected to each base. The other end of each support rod extends out of the cavity and is slidably fitted with a sleeve. An arc-shaped clamping block is fixedly connected to the end of each sleeve away from the support rod. A tension spring is fixedly connected to each base, and the other end of each tension spring is fixedly connected to the end of the sleeve away from the support rod. Both the support rod and the sleeve are located within the tension spring. Each cavity has a locking strip fixedly connected to restrict the movement of the tension spring. The locking strips are located on the path of the corresponding tension spring's compression and tension movements, and the locking strips intersect with the corresponding tension springs to form a cross structure. A fixing ring for clamping the support rod is provided on the outer sidewall of the joint between the first and second clamping rings.
[0007] The above approach has the following beneficial effects: 1. This solution, through the structure of arc-shaped clamping blocks and tension springs, achieves adaptive clamping and support for vegetable stems of different diameters, improving stability during the seedling and growth stages, and eliminating the need for manual adjustment, thus reducing labor costs.
[0008] 2. In general, the technical solution uses ropes for suspending the plant. However, since ropes are relatively flexible, they cannot maintain a vertical position for a long time when they hook onto the plant, thus making it impossible to keep the plant upright. This technical solution uses support rods for support, which avoids the above problem and ensures that the suspended plant is always in a vertical position.
[0009] 3. Compared to the snap-on fixing method used in general hanging devices, this solution uses a clamping method to fix the plant, which will make it easier for users to grab the plant and improve work efficiency.
[0010] Furthermore, a counterweight is provided at the bottom of the support rod.
[0011] Beneficial effects: The counterweight will enhance the overall stability of the suspension and prevent the support rod from tipping over due to the shift in the center of gravity.
[0012] Furthermore, the bottom end of the support rod is equipped with an anchor hook for fixing the support rod.
[0013] Beneficial effects: It makes it easier to fix the hanging device in the soil at the bottom of the planting bed or greenhouse, and improves the stability of the support rod.
[0014] Furthermore, each of the fixing rings is equipped with gripping teeth.
[0015] Beneficial effect: This design allows the retaining ring to engage the support rod more securely, preventing the device from slipping and falling off.
[0016] Furthermore, a silicone layer is provided on the side of the arc-shaped clamp that contacts the plant.
[0017] Beneficial effects: This design enhances the protection of seedlings or soft plants, preventing the curved clamps from damaging the plants.
[0018] Furthermore, both the first and second clamping arms are provided with anti-slip textures.
[0019] Beneficial effects: This design prevents slippage when the operator adjusts the first and second clamping arms, thus improving work efficiency.
[0020] Furthermore, both the first and second clamping arms have through slots at their tops.
[0021] Beneficial effects: The through groove will reduce the weight of the first and second clamping arms, preventing the support rod from tilting due to its own weight, which would result in poor upright hanging effect of the plant.
[0022] Furthermore, the support rod surface is provided with an outer layer.
[0023] Beneficial effect: This design will allow the retaining ring to fit more tightly with the support rod.
[0024] Furthermore, hooks are provided on the support rod.
[0025] Beneficial effects: Growers can hang information tags that record the growth status of plants on hooks, making it easier for them to understand the growth status of the plants and then manage them accordingly.
[0026] Furthermore, a method for suspending greenhouse vegetable plants includes the following steps: Step 1, set up the support pole: The user inserts the bottom end of the support pole into the soil near the plant, so that the support pole is in a vertical position; Step 2, securing the plant: The user presses the first and second clamping arms to open the first, second, and fixing rings. The user then places the plant inside the arc-shaped clamping block and places the support rod inside the fixing ring. After that, the user releases the first and second clamping arms, which engage to secure the plant and clamp the support rod. Step 3, adaptive clamping of the arc-shaped clamp: When the plant grows upward, it will drive the arc-shaped clamp to move upward together, which will cause the tension spring to move upward in the cavity, causing the clip to disengage from the tension spring. As the diameter of the plant stem increases, the tension spring will compress, so that the arc-shaped clamp always adapts to the change in the diameter of the plant stem.
[0027] The beneficial effects of the basic scheme are as follows: as the plant grows, the stem diameter thickens and grows upward, the arc-shaped clamp will drive the tension spring to move upward in the chamber and no longer cross the clamping strip. At this time, the tension spring can be compressed. Furthermore, the inner diameter of the arc-shaped clamp can be adaptively adjusted according to the size of the stem diameter. This design enables the plant to be hung upright without restricting the normal development of the stem, ultimately resulting in better greenhouse vegetable cultivation.
[0028] Additional aspects and advantages of the invention will be set forth in part in the description which follows, and in part will be obvious from the description, or may be learned by practice of the invention. Attached Figure Description
[0029] Figure 1 This is an isometric view of an embodiment of the facility vegetable plant hanging device of the present invention; Figure 2 This is a front view of an embodiment of the facility vegetable plant hanging device of the present invention; Figure 3 The left view of the support rod and the second clamping arm in an embodiment of the facility vegetable plant hoisting device of the present invention; Figure 4 This is a partial sectional view of the support rod of an embodiment of the facility vegetable plant hanging device of the present invention; Figure 5 This is a top view of the second clamping arm of an embodiment of the facility vegetable plant hanging device of the present invention; Figure 6 This is a cross-sectional view of the chamber of an embodiment of the facility vegetable plant hanging device of the present invention; Figure 7 This is a front view of the arc-shaped clamp, support rod, sleeve, and base of an embodiment of the facility vegetable plant hoisting device of the present invention; Figure 8 This is a schematic diagram of the method for hanging vegetable plants in a facility according to the present invention.
[0030] The reference numerals in the accompanying drawings include: 1. Spring plate; 2. Second clamping arm; 3. Through groove; 4. Silicone layer; 5. Second clamping ring; 6. First clamping ring; 7. Tension spring; 8. Arc-shaped clamping block; 9. First clamping arm; 10. Chamber; 11. Base; 12. Locking strip; 13. Fixing ring; 14. Gripping teeth; 15. Anti-slip texture; 16. Support rod; 17. Anchor hook; 18. Counterweight; 19. Hook; 20. Outer layer; 21. Support rod; 22. Sleeve. Detailed Implementation
[0031] The technical solution of the present invention will now be clearly and completely described with reference to the accompanying drawings. Obviously, the described embodiments are only some, not all, of the embodiments of the present invention. Based on the embodiments of the present invention, all other embodiments obtained by those skilled in the art without creative effort are within the scope of protection of the present invention.
[0032] In the description of this invention, it should be noted that the terms "center," "upper," "lower," "left," "right," "vertical," "horizontal," "inner," and "outer," etc., indicate the orientation or positional relationship based on the orientation or positional relationship shown in the accompanying drawings. They are used only for the convenience of describing the invention and for simplifying the description, and do not indicate or imply that the device or element referred to must have a specific orientation, or be constructed and operated in a specific orientation. Therefore, they should not be construed as limitations on the invention. Furthermore, the terms "first," "second," and "third" are used for descriptive purposes only and should not be construed as indicating or implying relative importance.
[0033] In the description of this invention, it should be noted that, unless otherwise explicitly specified and limited, the terms "installation," "connection," and "linking" should be interpreted broadly. For example, they can refer to a fixed connection, a detachable connection, or an integral connection; they can refer to a mechanical connection or an electrical connection; they can refer to a direct connection or an indirect connection through an intermediate medium; and they can refer to the internal connection of two components. Those skilled in the art can understand the specific meaning of the above terms in this invention based on the specific circumstances.
[0034] The following detailed description illustrates the specific implementation method: Example 1:
[0035] A device for hanging greenhouse vegetable plants, specifically combined with attached Figure 1 Appendix Figure 2 and appendix Figure 3It is understood that the device includes a first clamping arm 9 and a support rod 16, which are detachably connected. A semi-circular first clamping ring 6 is formed at the end of the first clamping arm 9 near the support rod 16. A second clamping arm 2 is hinged to the end of the first clamping arm 9 away from the support rod 16. A semi-circular second clamping ring 5, corresponding to the first clamping ring 6, is formed at the end of the second clamping arm 2 near the support rod 16. A spring plate 1 is adhered to the inner wall of the end of the first clamping arm 9 away from the first clamping ring 6. The other end of the spring plate 1 is connected to… The inner wall of the end of the second clamping arm 2 away from the second clamping ring 5 is bonded; and the first clamping ring 6 and the second clamping ring 5 form a circular structure, and the first clamping arm 9 and the second clamping arm 2 form a scissor-like structure. To prevent slippage during use, anti-slip textures 15 are provided on both the first clamping arm 9 and the second clamping arm 2. To prevent the support rod 16 from tilting due to its own weight, which would result in poor upright hanging effect on the plant, a through groove 3 is provided at the top of both the first clamping arm 9 and the second clamping arm 2.
[0036] Reference Appendix Figure 5 With appendix Figure 6 Both the first clamping ring 6 and the second clamping ring 5 have chambers 10 on their inner sidewalls. Each chamber 10 has a slidably fitted base 11, which is hollow. A support rod 21 is glued to each base 11, and the other end of each support rod 21 extends outside the chamber 10 and is slidably fitted with a sleeve 22. An arc-shaped clamping block 8 is glued to the end of the sleeve 22 away from the support rod 21. A tension spring 7 is glued to each base 11, and the other end of each tension spring 7 is glued to the end of the sleeve 22 away from the support rod 21. Both the sleeve 22 and the sleeve 22 are located inside the tension spring 7. Each chamber 10 has a retaining strip 12 bonded to it to restrict the movement of the tension spring 7. The retaining strips 12 are located on the path of the corresponding tension spring 7 during compression and tension, and they intersect with the corresponding tension spring 7 in a cross structure. To prevent the arc-shaped clamping block 8 from damaging the plant stem, a protective silicone layer 4 is provided on the side of the arc-shaped clamping block 8 away from the tension spring 7. The outer wall of the joint between the first clamping ring 6 and the second clamping ring 5 is provided with a fixing ring 13 for clamping the support rod 16. (See attached...) Figure 4 As shown, in order to improve the clamping and fastening effect between the fixing ring 13 and the support rod 16, the fixing ring 13 is provided with gripping teeth 14, and the support rod 16 is provided with an outer surface layer 20, which is preferably made of TPU material.
[0037] The specific implementation process is as follows: When the planter is hoisting the seedlings, firstly, the support rod 16 is inserted into the soil next to the plant to make it upright, so that the plant can be hoisted upright later; then the planter presses the first clamping arm 9 and the second clamping arm 2, so that the first clamping ring 6 and the second clamping ring 5 open, and places the stem of the plant in the arc-shaped clamping block 8, while at the same time placing the support rod 16 in the fixing ring 13. The planter then slowly releases the first clamping arm 9 and the second clamping arm 2. The first clamping arm 9 and the second clamping arm 2 will engage under the reset action of the spring plate 1, and then the arc-shaped clamping block 8 will adhere to and clamp the stem of the plant. At the same time, the fixing ring 13 will clamp and fix the support rod 16. Furthermore, since the gripping teeth 14 in the fixing ring 13 bite the outer surface layer 20 of the support rod 16, the clamping between the first clamping arm 9 and the second clamping arm 2 and the support rod 16 will be tighter, and there will be no relative displacement due to external force factors, which would affect the upright hanging effect of the plant stem. When the plant is in the seedling stage, its stem is relatively fragile. Therefore, the clamping force of the arc-shaped clamp 8 on the stem should not be too great to avoid damaging the stem and restricting its subsequent normal development. Thus, the locking strip 12 is positioned on the path of the compression and tension of the tension spring 7, and forms a cross-shaped structure with the tension spring. At this time, only the portion of the tension spring 7 located between the locking strip 12 and the arc-shaped clamp 8 exerts a squeezing effect on the arc-shaped clamp 8. Consequently, the clamping force of the arc-shaped clamp 8 on the plant stem will not damage the stem or restrict its normal development. As the plant grows, its stem diameter will increase, and simultaneously, the plant stem... The stem also grows vertically upwards. Due to the pressure and contact between the stem and the curved clamp 8, the silicone layer 4 protects the stem from injury by the clamp 8 while also increasing the friction between them. The plant's stem will cause the curved clamp 8 to move vertically, which in turn causes the tension spring 7, support rod 21, sleeve 22, and base 11 to all move vertically upwards. This causes the portion of the tension spring 7 located within the chamber 10 to disengage from the retaining strip 12. At this point, the retaining strip 12 is no longer on the compression and tension path of the tension spring 7 and no longer restricts its compression. The entire tension spring 7 will then... The arc-shaped clamping block 8 exerts a squeezing action. Under the compression of the tension spring 7, the sleeve 22 and the support rod 21 slide together, and the support rod 21 supports the base 11. The base 11 will fit against the inner wall of the chamber 10 and will not slide downwards, thus preventing the locking strip 12 from interfering with the tension spring 7 and not affecting the squeezing action of the tension spring 7 on the arc-shaped clamping block 8. As the plant grows, the arc-shaped clamping block 8 will squeeze and fit against the plant in real time, and expand horizontally as the diameter of the plant stem increases. The tension spring 7 and the arc-shaped clamping block 8 will achieve adaptive clamping of the plant. When the plant grows to a certain size... At a predetermined height, growers only need to press the first clamping arm 9 and the second clamping arm 2 to open the fixing ring 13 and adjust the positions of the first clamping arm 9 and the second clamping arm 2 on the support rod 16 to match the plant's growth height. This eliminates the need to re-clamp and fix the plant, reducing the need for frequent manual replacement or re-clamping, improving management efficiency. Furthermore, it automatically adapts to changes in plant stem thickness and growth height without interfering with normal plant growth, achieving continuous and reliable clamping. It also meets the hanging needs throughout the entire process from seedling to mature plant. This device not only boasts a simple structure and convenient operation but also possesses a high degree of self-adaptive clamping capability, meeting the automation and precision requirements of plant hanging operations in facility agriculture.
[0038] The base 11, first clamping arm 9, second clamping arm 2, first clamping ring 6, second clamping ring 5, support rod 21, and sleeve 22 are all made of lightweight polypropylene material to reduce the weight of each component and avoid excessive weight of each component from compressing the plant stem diameter and preventing it from developing normally.
[0039] The following is an experimental data report on the effect of the plant hanging method of the present invention on the plant growth status.
[0040] Experimental Design: Research subject: Pumpkin plants of medium-maturing varieties hoisting method: Control group: Suspension device with fixed inner diameter Experimental Group: Example 1 Adaptive Clamping Device Experiment duration: 90 days Quantity: 10 plants per group Data indicators: Seedling lodging rate, stem and stalk normal development rate, and total weight of mature pumpkins. Comparison of experimental results: Table 1 Seedling lodging rate hoisting method Number of seedlings that have fallen lodging rate Fixed inner diameter hoisting device 2 20% Example 1: Adaptive Clamping Device 0 0 Note: Using the adaptive clamping device of Example 1 for hanging, the seedlings of medium-maturing pumpkin varieties did not fall over during their growth.
[0041] Table 2. Normal development rate of stems hoisting method Normal stem development rate (%) Fixed inner diameter hoisting device 60% Example 1: Adaptive Clamping Device 90% Note: Using a fixed inner diameter suspension device, the diameters of 10 pumpkin stems were compared before and after entering the device. 3 of the pumpkin stems showed significant deformation. In contrast, in the experimental group using the adaptive support device of Example 1, only 1 pumpkin stem showed a significant difference in diameter before and after entering the adaptive suspension device of Example 1.
[0042] Table 3 Comparison of total weight of 10 mature pumpkins hoisting method Unit: kg Fixed inner diameter hoisting device 71 Example 1: Adaptive Clamping Device 85 Based on the experimental data above, it can be seen that using the adaptive clamping device of Example 1 to hang medium-maturing pumpkin plants results in better seedling lodging rate, normal stem development rate, and total weight of mature pumpkins compared to medium-maturing pumpkin plants hung using a hanging device with a fixed inner diameter. Therefore, the greenhouse vegetable planting effect is better when using the adaptive clamping device of Example 1 to hang the plants.
[0043] Example 2:
[0044] The difference from Embodiment 1 is that, in order to keep the support rod 16 in a vertical position and further improve its stability, as shown in the attached... Figure 4 As shown, a counterweight 18 is provided at the bottom of the support rod 16, and an anchor hook 17 for fixing the support rod 16 is provided at its bottom end. In addition, the support rod 16 is provided with a hook 19 for hanging items. Planters can hang information tags that record the growth status of the plants on the hook 19 to facilitate the corresponding management of the plants.
[0045] The specific implementation process is as follows: When the grower inserts the support rod 16 into the soil, the anchor hook 17 at the bottom of the support rod 16 will grab more soil to stabilize the bottom of the support rod 16. At the same time, the counterweight 18 at the bottom of the support rod 16 will make the overall center of gravity of the support rod 16 closer to the bottom, so that the support rod 16 remains vertical and more stable, and will not tilt due to the upper part clamping the plant, thus resulting in an unsatisfactory upright clamping of the plant. In addition, the grower can also hang the plant growth record sheet on the hook 19 to easily understand the various data of the plant and carry out corresponding management work.
[0046] Example 3:
[0047] As attached Figure 1 As shown, the difference from the above embodiments is that a method for hanging greenhouse vegetable plants includes the following steps: Step 1, set up the support rod 16: The user inserts the bottom end of the support rod 16 into the soil near the plant, so that the support rod 16 is in a vertical position; Step 2, securing the plant: The user presses the first clamp arm 9 and the second clamp arm 2, causing the first clamp ring 6 and the second clamp ring 5 to open. At this time, the fixing ring 13 is also open. The user then places the plant in the arc-shaped clamp block 8 and places the support rod 16 in the fixing ring 13. Then, the user slowly releases the first clamp arm 9 and the second clamp arm 2. The first clamp arm 9 and the second clamp arm 2 will engage under the action of the spring plate 1, and the arc-shaped clamp block 8 will close and secure the plant. Then, the fixing ring 13 will close and clamp the support rod 16, thus fixing the positions of the first clamp arm 9, the second clamp arm 2, and the support rod 16, and finally completing the securing of the plant.
[0048] Step 3, Adaptive clamping of the arc-shaped clamping block 8: When the plant is in the seedling stage, its stem is relatively soft. At this time, the clamping strip 12 restricts the movement of the tension spring 7 to avoid damaging the soft stem. As the plant grows, its stem becomes harder and its diameter increases. When the plant grows upward, it will drive the arc-shaped clamping block 8 to move upward, which in turn causes the tension spring 7 to move upward within the chamber 10. This prevents the clamping strip 12 from crossing the tension spring 7 and from restricting its movement. As the plant's stem diameter increases, the tension spring 7 will compress, allowing the arc-shaped clamping block 8 to adaptively clamp according to the change in the plant's stem diameter. When the plant continues to grow taller, the grower only needs to press the first clamping arm 9 and the second clamping arm 2 to open the fixing ring 13, and then adjust the clamping height of the first clamping arm 9 and the second clamping arm 2 with the support rod 16 to match the height of the plant.
[0049] Obviously, the above embodiments are merely illustrative examples for clear explanation and are not intended to limit the implementation. Those skilled in the art will recognize that other variations or modifications can be made based on the above description. It is neither necessary nor possible to exhaustively list all possible implementations here. However, obvious variations or modifications derived therefrom are still within the scope of protection of this invention.
Claims
1. A device for suspending and placing greenhouse vegetable plants, comprising a first clamping arm (9) and a support rod (16), characterized in that, The first clamping arm (9) is detachably connected to the support rod (16); a semi-circular first clamping ring (6) is opened at the end of the first clamping arm (9) near the support rod (16), and a second clamping arm (2) is hinged at the end of the first clamping arm (9) away from the support rod (16). A semi-circular second clamping ring (5) corresponding to the first clamping ring (6) is opened at the end of the second clamping arm (2) near the support rod (16). A spring plate (1) is fixedly connected to the inner wall of the end of the first clamping arm (9) away from the first clamping ring (6), and the other end of the spring plate (1) is fixedly connected to the inner wall of the end of the second clamping arm (2) away from the second clamping ring (5). The first clamping ring (6) and the second clamping ring (5) form a ring-shaped structure, and the first clamping arm (9) and the second clamping arm (2) form a scissor-shaped structure. Both the first clamping ring (6) and the second clamping ring (5) have chambers (10) on their inner walls. Each chamber (10) has a base (11) that slides within it. Each base (11) has a support rod (21) fixedly connected to it. The other end of each support rod (21) extends outside the chamber (10) and is slidably fitted with a sleeve (22). The end of each sleeve (22) away from the support rod (21) is fixedly connected with an arc-shaped clamping block (8). Each base (11) has a tension spring (7) fixedly connected to it. The other end of each tension spring (7) is connected to the sleeve (21). 2) The end away from the support rod (21) is fixedly connected. The support rod (21) and the sleeve (22) are both located inside the tension spring (7). The chamber (10) is fixedly connected with a retaining bar (12) for restricting the movement of the tension spring (7). The retaining bar (12) is located on the path of the corresponding tension spring (7) to perform compression and tension actions, and the retaining bar (12) and the corresponding tension spring (7) intersect to form a cross structure. The outer wall of the first clamping ring (6) and the second clamping ring (5) is provided with a fixing ring (13) for clamping the support rod (21).
2. The facility vegetable plant hanging device according to claim 1, characterized in that, The bottom of the support rod (16) is equipped with a counterweight (18).
3. The facility vegetable plant hanging device according to claim 2, characterized in that, The bottom end of the support rod (16) is provided with an anchor hook (17) for fixing the support rod (16).
4. The facility vegetable plant hanging device according to claim 3, characterized in that, Each of the fixed rings (13) is equipped with gripping teeth (14).
5. The facility vegetable plant hanging device according to claim 4, characterized in that, The side of the arc-shaped clamp (8) that contacts the plant is provided with a silicone layer (4).
6. The facility vegetable plant hanging device according to claim 5, characterized in that, Both the first clamping arm (9) and the second clamping arm (2) are provided with anti-slip texture (15).
7. The facility vegetable plant hanging device according to claim 6, characterized in that, Both the top of the first clamping arm (9) and the second clamping arm (2) have through slots (3).
8. The facility vegetable plant hanging device according to claim 7, characterized in that, The support rod (16) has an outer surface layer (20) on its surface.
9. The facility vegetable plant hanging device according to claim 8, characterized in that, The support rod (16) is equipped with a hook (19).
10. A method for suspending greenhouse vegetable plants, based on the greenhouse vegetable plant suspension device described in any one of claims 1-9, characterized in that, Includes the following steps: Step 1, set up the support rod (16): The user inserts the bottom end of the support rod (16) into the soil close to the plant, so that the support rod (16) is in a vertical position; Step 2, fixing the plant: The user presses the first clamp arm (9) and the second clamp arm (2) so that the first clamp ring (6), the second clamp ring (5) and the fixing ring (13) are all in the open state. At this time, the user places the plant in the arc-shaped clamp block (8) and then places the support rod (16) in the fixing ring (13). Then, the user releases the first clamp arm (9) and the second clamp arm (2). The first clamp arm (9) and the second clamp arm (2) are engaged, thus completing the fixing of the plant and the clamping of the support rod (16). Step 3, adaptive clamping of the arc-shaped clamp (8): When the plant grows upward, it will drive the arc-shaped clamp (8) to move upward together, which will cause the tension spring (7) to move upward in the chamber (10), so that the clip (12) is disengaged from the tension spring (7). As the diameter of the plant stem increases, the tension spring (7) will compress, so that the arc-shaped clamp (8) will always follow the change of the plant stem diameter to perform adaptive clamping.